// ColorBox v1.3.9 - a full featured, light-weight, customizable lightbox based on jQuery 1.3

// c) 2009 Jack Moore - www.colorpowered.com - jack@colorpowered.com

// Licensed under the MIT license: http://www.opensource.org/licenses/mit-license.php

(function ($, window) {

	

	var

	// ColorBox Default Settings.	

	// See http://colorpowered.com/colorbox for details.

	defaults = {

		transition: "elastic",

		speed: 300,

		width: false,

		initialWidth: "600",

		innerWidth: false,

		maxWidth: false,

		height: false,

		initialHeight: "450",

		innerHeight: false,

		maxHeight: false,

		scalePhotos: true,

		scrolling: true,

		inline: false,

		html: false,

		iframe: false,

		photo: false,

		href: false,

		title: false,

		rel: false,

		opacity: 0.9,

		preloading: true,

		current: "image {current} of {total}",

		previous: "previous",

		next: "next",

		close: "close",

		open: false,

		loop: true,

		slideshow: false,

		slideshowAuto: true,

		slideshowSpeed: 2500,

		slideshowStart: "start slideshow",

		slideshowStop: "stop slideshow",

		onOpen: false,

		onLoad: false,

		onComplete: false,

		onCleanup: false,

		onClosed: false,

		overlayClose: true,		

		escKey: true,

		arrowKey: true

	},

	

	// Abstracting the HTML and event identifiers for easy rebranding

	colorbox = 'colorbox',

	prefix = 'cbox',

	

	// Events	

	event_open = prefix + '_open',

	event_load = prefix + '_load',

	event_complete = prefix + '_complete',

	event_cleanup = prefix + '_cleanup',

	event_closed = prefix + '_closed',

	

	// Special Handling for IE

	isIE = $.browser.msie && !$.support.opacity, // feature detection alone gave a false positive on at least one phone browser and on some development versions of Chrome.

	isIE6 = isIE && $.browser.version < 7,

	event_ie6 = prefix + '_IE6',



	// Cached jQuery Object Variables

	$overlay,

	$box,

	$wrap,

	$content,

	$topBorder,

	$leftBorder,

	$rightBorder,

	$bottomBorder,

	$related,

	$window,

	$loaded,

	$loadingBay,

	$loadingOverlay,

	$title,

	$current,

	$slideshow,

	$next,

	$prev,

	$close,



	// Variables for cached values or use across multiple functions

	interfaceHeight,

	interfaceWidth,

	loadedHeight,

	loadedWidth,

	element,

	bookmark,

	index,

	settings,

	open,

	active,

	

	publicMethod,

	boxElement = prefix + 'Element';

	

	// ****************

	// HELPER FUNCTIONS

	// ****************



	// jQuery object generator to reduce code size

	function $div(id, css) { 

		id = id ? ' id="' + prefix + id + '"' : '';

		css = css ? ' style="' + css + '"' : '';

		return $('<div' + id + css + '/>');

	}



	// Convert % values to pixels

	function setSize(size, dimension) {

		dimension = dimension === 'x' ? $window.width() : $window.height();

		return (typeof size === 'string') ? Math.round((size.match(/%/) ? (dimension / 100) * parseInt(size, 10) : parseInt(size, 10))) : size;

	}



	// Checks an href to see if it is a photo.

	// There is a force photo option (photo: true) for hrefs that cannot be matched by this regex.

	function isImage(url) {

		url = $.isFunction(url) ? url.call(element) : url;

		return settings.photo || url.match(/\.(gif|png|jpg|jpeg|bmp)(?:\?([^#]*))?(?:#(\.*))?$/i);

	}

	

	// Assigns functions results to their respective settings.  This allows functions to be used to set ColorBox options.

	function process() {

		for (var i in settings) {

			if ($.isFunction(settings[i]) && i.substring(0, 2) !== 'on') { // checks to make sure the function isn't one of the callbacks, they will be handled at the appropriate time.

			    settings[i] = settings[i].call(element);

			}

		}

		settings.rel = settings.rel || element.rel || 'nofollow';

		settings.href = settings.href || $(element).attr('href');

		settings.title = settings.title || element.title;

	}



	function launch(elem) {

		

		element = elem;

		

		settings = $.extend({}, $(element).data(colorbox));

		

		process(); // Convert functions to their returned values.

		

		if (settings.rel !== 'nofollow') {

			$related = $('.' + boxElement).filter(function () {

				var relRelated = $(this).data(colorbox).rel || this.rel;

				return (relRelated === settings.rel);

			});

			index = $related.index(element);

			

			// Check direct calls to ColorBox.

			if (index === -1) {

				$related = $related.add(element);

				index = $related.length - 1;

			}

		} else {

			$related = $(element);

			index = 0;

		}

		

		if (!open) {

			open = active = true; // Prevents the page-change action from queuing up if the visitor holds down the left or right keys.

			

			bookmark = element;

			

			try {

				bookmark.blur(); // Remove the focus from the calling element.

			}catch (e) {}

			

			$.event.trigger(event_open);

			if (settings.onOpen) {

				settings.onOpen.call(element);

			}

			

			// +settings.opacity avoids a problem in IE when using non-zero-prefixed-string-values, like '.5'

			$overlay.css({"opacity": +settings.opacity, "cursor": settings.overlayClose ? "pointer" : "auto"}).show();

			

			// Opens inital empty ColorBox prior to content being loaded.

			settings.w = setSize(settings.initialWidth, 'x');

			settings.h = setSize(settings.initialHeight, 'y');

			publicMethod.position(0);

			

			if (isIE6) {

				$window.bind('resize.' + event_ie6 + ' scroll.' + event_ie6, function () {

					$overlay.css({width: $window.width(), height: $window.height(), top: $window.scrollTop(), left: $window.scrollLeft()});

				}).trigger('scroll.' + event_ie6);

			}

		}

		

		$current.add($prev).add($next).add($slideshow).add($title).hide();

		

		$close.html(settings.close).show();

		

		publicMethod.slideshow();

		

		publicMethod.load();

	}



	// ****************

	// PUBLIC FUNCTIONS

	// Usage format: $.fn.colorbox.close();

	// Usage from within an iframe: parent.$.fn.colorbox.close();

	// ****************

	

	publicMethod = $.fn[colorbox] = $[colorbox] = function (options, callback) {

		var $this = this;

		

		if (!$this[0] && $this.selector) { // if a selector was given and it didn't match any elements, go ahead and exit.

			return $this;

		}

		

		options = options || {};

		

		if (callback) {

			options.onComplete = callback;

		}

		

		if (!$this[0] || $this.selector === undefined) { // detects $.colorbox() and $.fn.colorbox()

			$this = $('<a/>');

			options.open = true; // assume an immediate open

		}

		

		$this.each(function () {

			$(this).data(colorbox, $.extend({}, $(this).data(colorbox) || defaults, options)).addClass(boxElement);

		});

		

		if (options.open) {

			launch($this[0]);

		}

		

		return $this;

	};



	// Initialize ColorBox: store common calculations, preload the interface graphics, append the html.

	// This preps colorbox for a speedy open when clicked, and lightens the burdon on the browser by only

	// having to run once, instead of each time colorbox is opened.

	publicMethod.init = function () {

		// Create & Append jQuery Objects

		$window = $(window);

		$box = $div().attr({id: colorbox, 'class': isIE ? prefix + 'IE' : ''});

		$overlay = $div("Overlay", isIE6 ? 'position:absolute' : '').hide();

		

		$wrap = $div("Wrapper");

		$content = $div("Content").append(

			$loaded = $div("LoadedContent", 'width:0; height:0'),

			$loadingOverlay = $div("LoadingOverlay").add($div("LoadingGraphic")),

			$title = $div("Title"),

			$current = $div("Current"),

			$next = $div("Next"),

			$prev = $div("Previous"),

			$slideshow = $div("Slideshow"),

			$close = $div("Close")

		);

		$wrap.append( // The 3x3 Grid that makes up ColorBox

			$div().append(

				$div("TopLeft"),

				$topBorder = $div("TopCenter"),

				$div("TopRight")

			),

			$div().append(

				$leftBorder = $div("MiddleLeft"),

				$content,

				$rightBorder = $div("MiddleRight")

			),

			$div().append(

				$div("BottomLeft"),

				$bottomBorder = $div("BottomCenter"),

				$div("BottomRight")

			)

		).children().children().css({'float': 'left'});

		

		$loadingBay = $div(false, 'position:absolute; width:9999px; visibility:hidden; display:none');

		

		$('body').prepend($overlay, $box.append($wrap, $loadingBay));

		

		$content.children()

		.hover(function () {

			$(this).addClass('hover');

		}, function () {

			$(this).removeClass('hover');

		}).addClass('hover');

		

		// Cache values needed for size calculations

		interfaceHeight = $topBorder.height() + $bottomBorder.height() + $content.outerHeight(true) - $content.height();//Subtraction needed for IE6

		interfaceWidth = $leftBorder.width() + $rightBorder.width() + $content.outerWidth(true) - $content.width();

		loadedHeight = $loaded.outerHeight(true);

		loadedWidth = $loaded.outerWidth(true);

		

		// Setting padding to remove the need to do size conversions during the animation step.

		$box.css({"padding-bottom": interfaceHeight, "padding-right": interfaceWidth}).hide();

		

		// Setup button events.

		$next.click(publicMethod.next);

		$prev.click(publicMethod.prev);

		$close.click(publicMethod.close);

		

		// Adding the 'hover' class allowed the browser to load the hover-state

		// background graphics.  The class can now can be removed.

		$content.children().removeClass('hover');

		

		$('.' + boxElement).live('click', function (e) {

			// checks to see if it was a non-left mouse-click and for clicks modified with ctrl, shift, or alt.

			if ((e.button !== 0 && typeof e.button !== 'undefined') || e.ctrlKey || e.shiftKey || e.altKey) {

				return true;

			} else {

				launch(this);			

				return false;

			}

		});

		

		$overlay.click(function () {

			if (settings.overlayClose) {

				publicMethod.close();

			}

		});

		

		// Set Navigation Key Bindings

		$(document).bind("keydown", function (e) {

			if (open && settings.escKey && e.keyCode === 27) {

				e.preventDefault();

				publicMethod.close();

			}

			if (open && settings.arrowKey && !active && $related[1]) {

				if (e.keyCode === 37 && (index || settings.loop)) {

					e.preventDefault();

					$prev.click();

				} else if (e.keyCode === 39 && (index < $related.length - 1 || settings.loop)) {

					e.preventDefault();

					$next.click();

				}

			}

		});

	};

	

	publicMethod.remove = function () {

		$box.add($overlay).remove();

		$('.' + boxElement).die('click').removeData(colorbox).removeClass(boxElement);

	};



	publicMethod.position = function (speed, loadedCallback) {

		var

		animate_speed,

		// keeps the top and left positions within the browser's viewport.

		posTop = Math.max($window.height() - settings.h - loadedHeight - interfaceHeight, 0) / 2 + $window.scrollTop(),

		posLeft = Math.max($window.width() - settings.w - loadedWidth - interfaceWidth, 0) / 2 + $window.scrollLeft();

		

		// setting the speed to 0 to reduce the delay between same-sized content.

		animate_speed = ($box.width() === settings.w + loadedWidth && $box.height() === settings.h + loadedHeight) ? 0 : speed;

		

		// this gives the wrapper plenty of breathing room so it's floated contents can move around smoothly,

		// but it has to be shrank down around the size of div#colorbox when it's done.  If not,

		// it can invoke an obscure IE bug when using iframes.

		$wrap[0].style.width = $wrap[0].style.height = "9999px";

		

		function modalDimensions(that) {

			// loading overlay height has to be explicitly set for IE6.

			$topBorder[0].style.width = $bottomBorder[0].style.width = $content[0].style.width = that.style.width;

			$loadingOverlay[0].style.height = $loadingOverlay[1].style.height = $content[0].style.height = $leftBorder[0].style.height = $rightBorder[0].style.height = that.style.height;

		}

		

		$box.dequeue().animate({width: settings.w + loadedWidth, height: settings.h + loadedHeight, top: posTop, left: posLeft}, {

			duration: animate_speed,

			complete: function () {

				modalDimensions(this);

				

				active = false;

				

				// shrink the wrapper down to exactly the size of colorbox to avoid a bug in IE's iframe implementation.

				$wrap[0].style.width = (settings.w + loadedWidth + interfaceWidth) + "px";

				$wrap[0].style.height = (settings.h + loadedHeight + interfaceHeight) + "px";

				

				if (loadedCallback) {

					loadedCallback();

				}

			},

			step: function () {

				modalDimensions(this);

			}

		});

	};



	publicMethod.resize = function (options) {

		if (open) {

			options = options || {};

			

			if (options.width) {

				settings.w = setSize(options.width, 'x') - loadedWidth - interfaceWidth;

			}

			if (options.innerWidth) {

				settings.w = setSize(options.innerWidth, 'x');

			}

			$loaded.css({width: settings.w});

			

			if (options.height) {

				settings.h = setSize(options.height, 'y') - loadedHeight - interfaceHeight;

			}

			if (options.innerHeight) {

				settings.h = setSize(options.innerHeight, 'y');

			}

			if (!options.innerHeight && !options.height) {				

				var $child = $loaded.wrapInner("<div style='overflow:auto'></div>").children(); // temporary wrapper to get an accurate estimate of just how high the total content should be.

				settings.h = $child.height();

				$child.replaceWith($child.children()); // ditch the temporary wrapper div used in height calculation

			}

			$loaded.css({height: settings.h});

			

			publicMethod.position(settings.transition === "none" ? 0 : settings.speed);

		}

	};



	publicMethod.prep = function (object) {

		if (!open) {

			return;

		}

		

		var photo,

		speed = settings.transition === "none" ? 0 : settings.speed;

		

		$window.unbind('resize.' + prefix);

		$loaded.remove();

		$loaded = $div('LoadedContent').html(object);

		

		function getWidth() {

			settings.w = settings.w || $loaded.width();

			settings.w = settings.mw && settings.mw < settings.w ? settings.mw : settings.w;

			return settings.w;

		}

		function getHeight() {

			settings.h = settings.h || $loaded.height();

			settings.h = settings.mh && settings.mh < settings.h ? settings.mh : settings.h;

			return settings.h;

		}

		

		$loaded.hide()

		.appendTo($loadingBay.show())// content has to be appended to the DOM for accurate size calculations.

		.css({width: getWidth(), overflow: settings.scrolling ? 'auto' : 'hidden'})

		.css({height: getHeight()})// sets the height independently from the width in case the new width influences the value of height.

		.prependTo($content);

		

		$loadingBay.hide();

		

		$('#' + prefix + 'Photo').css({cssFloat: 'none'});// floating the IMG removes the bottom line-height and fixed a problem where IE miscalculates the width of the parent element as 100% of the document width.

		

		// Hides SELECT elements in IE6 because they would otherwise sit on top of the overlay.

		if (isIE6) {

			$('select').not($box.find('select')).filter(function () {

				return this.style.visibility !== 'hidden';

			}).css({'visibility': 'hidden'}).one(event_cleanup, function () {

				this.style.visibility = 'inherit';

			});

		}

				

		function setPosition(s) {

			var prev, prevSrc, next, nextSrc, total = $related.length, loop = settings.loop;

			publicMethod.position(s, function () {

				function defilter() {

					if (isIE) {

						//IE adds a filter when ColorBox fades in and out that can cause problems if the loaded content contains transparent pngs.

						$box[0].style.removeAttribute("filter");

					}

				}

				

				if (!open) {

					return;

				}

				

				if (isIE) {

					//This fadeIn helps the bicubic resampling to kick-in.

					if (photo) {

						$loaded.fadeIn(100);

					}

				}

				

				//Waited until the iframe is added to the DOM & it is visible before setting the src.

				//This increases compatability with pages using DOM dependent JavaScript.

				if (settings.iframe) {

					$("<iframe frameborder=0" + (settings.scrolling ? "" : " scrolling='no'") + (isIE ? " allowtransparency='true'" : '') + "/>")

					.attr({src: settings.href, name: new Date().getTime()})

					.appendTo($loaded);

				}

				

				$loaded.show();

				

				$title.show().html(settings.title);

				

				if (total > 1) { // handle grouping

					$current.html(settings.current.replace(/\{current\}/, index + 1).replace(/\{total\}/, total)).show();

					

					$next[(loop || index < total - 1) ? "show" : "hide"]().html(settings.next);

					$prev[(loop || index) ? "show" : "hide"]().html(settings.previous);

					

					prev = index ? $related[index - 1] : $related[total - 1];

					next = index < total - 1 ? $related[index + 1] : $related[0];

					

					if (settings.slideshow) {

						$slideshow.show();

						if (index === total - 1 && !loop && $box.is('.' + prefix + 'Slideshow_on')) {

							$slideshow.click();

						}

					}

					

					// Preloads images within a rel group

					if (settings.preloading) {

						nextSrc = $(next).data(colorbox).href || next.href;

						prevSrc = $(prev).data(colorbox).href || prev.href;

						

						if (isImage(nextSrc)) {

							$('<img/>')[0].src = nextSrc;

						}

						

						if (isImage(prevSrc)) {

							$('<img/>')[0].src = prevSrc;

						}

					}

				}

				

				$loadingOverlay.hide();

				

				if (settings.transition === 'fade') {

					$box.fadeTo(speed, 1, function () {

						defilter();

					});

				} else {

					defilter();

				}

				

				$window.bind('resize.' + prefix, function () {

					publicMethod.position(0);

				});

				

				$.event.trigger(event_complete);

				if (settings.onComplete) {

					settings.onComplete.call(element);

				}

			});

		}

		

		if (settings.transition === 'fade') {

			$box.fadeTo(speed, 0, function () {

				setPosition(0);

			});

		} else {

			setPosition(speed);

		}

	};



	publicMethod.load = function () {

		var href, img, setResize, prep = publicMethod.prep;

		

		active = true;

		

		element = $related[index];

		

		settings = $.extend({}, $(element).data(colorbox));

		

		//convert functions to static values

		process();

		

		$.event.trigger(event_load);

		if (settings.onLoad) {

			settings.onLoad.call(element);

		}

		

		settings.h = settings.height ?

				setSize(settings.height, 'y') - loadedHeight - interfaceHeight :

				settings.innerHeight && setSize(settings.innerHeight, 'y');

		

		settings.w = settings.width ?

				setSize(settings.width, 'x') - loadedWidth - interfaceWidth :

				settings.innerWidth && setSize(settings.innerWidth, 'x');

		

		// Sets the minimum dimensions for use in image scaling

		settings.mw = settings.w;

		settings.mh = settings.h;

		

		// Re-evaluate the minimum width and height based on maxWidth and maxHeight values.

		// If the width or height exceed the maxWidth or maxHeight, use the maximum values instead.

		if (settings.maxWidth) {

			settings.mw = setSize(settings.maxWidth, 'x') - loadedWidth - interfaceWidth;

			settings.mw = settings.w && settings.w < settings.mw ? settings.w : settings.mw;

		}

		if (settings.maxHeight) {

			settings.mh = setSize(settings.maxHeight, 'y') - loadedHeight - interfaceHeight;

			settings.mh = settings.h && settings.h < settings.mh ? settings.h : settings.mh;

		}

		

		href = settings.href;

		

		$loadingOverlay.show();

		

		if (settings.inline) {

			// Inserts an empty placeholder where inline content is being pulled from.

			// An event is bound to put inline content back when ColorBox closes or loads new content.

			$div('InlineTemp').hide().insertBefore($(href)[0]).bind(event_load + ' ' + event_cleanup, function () {

				$(this).replaceWith($loaded.children());

			});

			prep($(href));

		} else if (settings.iframe) {

			// IFrame element won't be added to the DOM until it is ready to be displayed,

			// to avoid problems with DOM-ready JS that might be trying to run in that iframe.

			prep(" ");

		} else if (settings.html) {

			prep(settings.html);

		} else if (isImage(href)) {

			img = new Image();

			img.onload = function () {

				var percent;

				

				img.onload = null;

				img.id = prefix + 'Photo';

				$(img).css({margin: 'auto', border: 'none', display: 'block', cssFloat: 'left'});

				

				if (settings.scalePhotos) {

					setResize = function () {

						img.height -= img.height * percent;

						img.width -= img.width * percent;	

					};

					if (settings.mw && img.width > settings.mw) {

						percent = (img.width - settings.mw) / img.width;

						setResize();

					}

					if (settings.mh && img.height > settings.mh) {

						percent = (img.height - settings.mh) / img.height;

						setResize();

					}

				}

				

				if (settings.h) {

					img.style.marginTop = Math.max(settings.h - img.height, 0) / 2 + 'px';

				}

				

				setTimeout(function () { // Chrome will sometimes report a 0 by 0 size if there isn't pause in execution

					prep(img);

				}, 1);

				

				if ($related[1] && (index < $related.length - 1 || settings.loop)) {

					$(img).css({cursor: 'pointer'}).click(publicMethod.next);

				}

				

				if (isIE) {

					img.style.msInterpolationMode = 'bicubic';

				}

			};

			img.src = href;

		} else {

			$div().appendTo($loadingBay).load(href, function (data, status, xhr) {

				prep(status === 'error' ? 'Request unsuccessful: ' + xhr.statusText : this);

			});

		}

	};



	// Navigates to the next page/image in a set.

	publicMethod.next = function () {

		if (!active) {

			index = index < $related.length - 1 ? index + 1 : 0;

			publicMethod.load();

		}

	};

	

	publicMethod.prev = function () {

		if (!active) {

			index = index ? index - 1 : $related.length - 1;

			publicMethod.load();

		}

	};



	publicMethod.slideshow = function () {

		var stop, timeOut, className = prefix + 'Slideshow_';

		

		$slideshow.bind(event_closed, function () {

			$slideshow.unbind();

			clearTimeout(timeOut);

			$box.removeClass(className + "off " + className + "on");

		});

		

		function start() {

			$slideshow

			.text(settings.slideshowStop)

			.bind(event_complete, function () {

				timeOut = setTimeout(publicMethod.next, settings.slideshowSpeed);

			})

			.bind(event_load, function () {

				clearTimeout(timeOut);	

			}).one("click", function () {

				stop();

			});

			$box.removeClass(className + "off").addClass(className + "on");

		}

		

		stop = function () {

			clearTimeout(timeOut);

			$slideshow

			.text(settings.slideshowStart)

			.unbind(event_complete + ' ' + event_load)

			.one("click", function () {

				start();

				timeOut = setTimeout(publicMethod.next, settings.slideshowSpeed);

			});

			$box.removeClass(className + "on").addClass(className + "off");

		};

		

		if (settings.slideshow && $related[1]) {

			if (settings.slideshowAuto) {

				start();

			} else {

				stop();

			}

		}

	};



	// Note: to use this within an iframe use the following format: parent.$.fn.colorbox.close();

	publicMethod.close = function () {

		if (open) {

			open = false;

			

			$.event.trigger(event_cleanup);

			

			if (settings.onCleanup) {

				settings.onCleanup.call(element);

			}

			

			$window.unbind('.' + prefix + ' .' + event_ie6);

			

			$overlay.fadeTo('fast', 0);

			

			$box.stop().fadeTo('fast', 0, function () {

				$box.find('iframe').attr('src', 'about:blank'); // change the location of the iframe to avoid a problem in IE with flash objects not clearing.

				

				$loaded.remove();

				

				$box.add($overlay).css({'opacity': 1, cursor: 'auto'}).hide();

				

				try {

					bookmark.focus();

				} catch (e) {

					// do nothing

				}

				

				setTimeout(function () {

					$.event.trigger(event_closed);

					if (settings.onClosed) {

						settings.onClosed.call(element);

					}

				}, 1);

			});

		}

	};



	// A method for fetching the current element ColorBox is referencing.

	// returns a jQuery object.

	publicMethod.element = function () {

		return $(element);

	};



	publicMethod.settings = defaults;



	// Initializes ColorBox when the DOM has loaded

	$(publicMethod.init);



}(jQuery, this));

